Hardware Startups

Somnee develops a wearable sleep and brain health device using clinical-grade EEG sensors and non-invasive neurostimulation powered by proprietary AI to improve sleep quality and neurological health for consumers.

2 investors

Sonendo is a medical technology company that develops and manufactures the GentleWave System, a technology platform for treating tooth decay by cleaning and disinfecting the interior spaces of teeth without removing tooth structure. It focuses on dental care and saving teeth from decay.

2 investors

Sonibel Instruments makes a compact, torch-mounted acoustic sensor that captures the sound of the weld arc and uses machine learning to detect defects such as porosity, lack of penetration, lack of fusion, and slag inclusions in real time. Aimed at fabricators and welders in shipbuilding, structural steel, and oil and gas, it acts as an early warning layer that lets welders rework defects during welding before inspection.

2 investors

Manufactures hearing solutions for people with hearing loss, sold primarily under the Oticon, Bernafon, Sonic, and Philips Hearing Solutions brands. Operates in the hearing healthcare and medical device industry.

2 investors

Sorting Robotics builds automation and robotics technology for the cannabis industry, using robotic process automation and computer vision. The company is based in Los Angeles.

2 investors

SoundBlade Medical develops handheld histotripsy technology for non-invasive surgery, using focused ultrasound to treat tissue with precision. The company operates in the medical device field.

2 investors

Soundskrit develops high-performance directional MEMS microphones inspired by spider acoustics, designed for miniaturized form factors in consumer electronics. The company applies bio-inspired engineering principles to create sensitive directional sensing hardware.

2 investors

Soundtrace offers a platform for occupational hearing conservation, combining on-site audiometric testing, digital audiograms, continuous noise monitoring, earplug fit testing, and OSHA-compliant recordkeeping. It serves employers with workers exposed to hazardous noise, delivered in-house, as a managed service, or hybrid across multiple sites in the US.

2 investors

SOURCE develops space-grade solar panels and arrays for spacecraft applications including earth observation, space-object observation, positioning, and exploration missions. The company offers standardized photovoltaic modules and deployable array systems with short lead times and no minimum order requirements.

2 investors

South 8 develops lithium-ion battery cells and electrolyte systems using patented liquefied gas electrolyte technology designed for extreme-temperature and defense applications. The company offers both direct-to-customer battery cells and an electrolyte injection system for cell manufacturers.

2 investors

Southern Aluminum manufactures banquet and event tables under various branded product lines, serving the hospitality and events industry.

2 investors

Sovato provides a platform and integrated hardware system to enable remote robotic-assisted surgery and procedures, connecting surgical teams across sites with verification, communication, and workflow tools for healthcare organizations and surgical system manufacturers.

2 investors

Space Copy develops additive manufacturing and printing systems designed for extreme environments, including remote terrestrial construction and off-world applications. The company serves defense, space, mining, and disaster response sectors with solutions for on-site fabrication of infrastructure and tooling.

2 investors

SpaceRake develops small form factor laser (optical) communication technology for connecting satellites, drones, and similar platforms. The company applies expertise in laser communications, complex systems-of-systems, and artificial intelligence.

2 investors

Spark Biomedical develops wearable neurostimulation devices for bioelectronic medicine applications, primarily targeting mental health, women's health, hemostasis, and pediatrics. The company's FDA-cleared product treats opioid withdrawal and is conducting multiple clinical trials to expand into additional therapeutic areas.

2 investors

SPARK Microsystems develops ultra-wideband (UWB) wireless connectivity technology for applications including Physical AI, XR, audio, gaming, human interface, and IoT devices.

2 investors

Sparrow Quantum develops quantum computing technology, building on research from the Niels Bohr Institute in Copenhagen where the company originated.

2 investors

The page presents Oura, a smart ring and companion app that tracks over 50 health metrics and gives users personalized insights into sleep, activity, stress, and women's health. It is a consumer wearable focused on personal health and wellness.

2 investors

Specto Photonics develops Brillouin spectroscopy instruments, including ultra-compact on-chip spectrometers and high-rejection optical filters, for non-contact, label-free measurement of the viscoelastic properties of living cells and tissues. Its modules integrate into standard microscopes and analytical instruments to enable 3D mechanical analysis for mechanobiology research.

2 investors

Spectral Engines develops MEMS-based near-infrared spectral measurement systems and cloud platforms for material and product identification across industries including agriculture, semiconductor manufacturing, and medical technology. The company is a brand of m-u-t GmbH, part of the Nynomic Group.

2 investors

Spectralink builds enterprise mobility and mobile communication solutions for mission-critical, frontline work environments. Founded in 1990, the company provides mobile devices and communication tools aimed at helping frontline workers stay connected and collaborate.

2 investors

Spectrumedics develops the Sonico-CX intravascular lithotripsy (shockwave) system for treating calcified coronary artery disease, delivering 360° circumferential shockwave pulses through a low-profile catheter. The medical device company serves interventional cardiologists and has received regulatory approval to market its product.

2 investors

Spencer Health Solutions develops a medication management platform featuring a smart home dispenser that tracks adherence and collects real-world health data for patients and healthcare providers. The system integrates connected devices, mobile and web portals, and pre-loaded pharmacy refills to simplify medication compliance.

2 investors

Spexi provides drone-captured geospatial imagery delivered via API for machine learning pipelines. The company operates autonomous aerial missions to generate standardized, high-resolution imagery products including orthomosaics, 3D models, and panoramas for spatial AI applications.

2 investors